genesis-3d_engine/Engine/addons/particles/targets/particleRibbonTrailTarget.h
zhongdaohuan 6e8fbca745 genesis-3d engine version 1.3.
match the genesis editor version 1.3.0.653.
2014-05-05 14:50:33 +08:00

146 lines
5.0 KiB
C++

/****************************************************************************
Copyright (c) 2011-2013,WebJet Business Division,CYOU
http://www.genesis-3d.com.cn
Permission is hereby granted, free of charge, to any person obtaining a copy
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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****************************************************************************/
#ifndef __PARTICLE_RIBBONTRAIL_TARGET_H__
#define __PARTICLE_RIBBONTRAIL_TARGET_H__
#include "particles/particle_fwd_decl.h"
#include "particles/particletarget.h"
#include "particles/particle.h"
namespace Particles
{
class RibbonTrailTarget: public ParticleTarget
{
__DeclareSubClass(RibbonTrailTarget, ParticleTarget );
//----------------------------------------------------------------------
public:
RibbonTrailTarget();
virtual ~RibbonTrailTarget();
ParticleTarget::TargetType GetTargetType(void) const;
void _updateParticle_Common( Particle* particle,IndexT t, ParticleVertexData* particleVertex, ushort* indicies , IndexT particleIndex, float v0 = 0.0f, float v1 = 1.0f );
template<typename T>
SizeT _updateTarget_Trail(GPtr<ParticlePool>& pool, ParticleVertexData* particleVertex, ushort* indicies, const T& op );
void _updateTarget(GPtr<ParticlePool>& pool, Timing::Time frameTime);
bool _preparePrimitiveGroup(SizeT& verticesSizeInByte, SizeT& indicesSizeInByte);
void SetMaxElements(SizeT _size);
SizeT GetMaxElements() const;
void SetColorChange(const Math::float4& _distance);
const Math::float4& GetColorChange() const;
void SetTrailLength(Math::scalar _length);
Math::scalar GetTrailLength() const;
void SetColorGraded(bool _grade);
bool IsColorGraded() const;
protected:
bool m_TransformChanged;
bool m_ColorGraded;
SizeT mMaxElements;
Math::scalar mTrailLength;
Math::scalar mPerLength;
Util::Array<Math::float3> mPositions;
Timing::Time mTimeSpace;
Math::scalar mUpdateInternal;
Math::float4 mColorChange;
SizeT mCurQuato;
public:
// @ISerialization::GetVersion. when change storage, must add SerializeSVersion count
virtual Serialization::SVersion GetVersion() const;
// @ISerialization::Load
virtual void Load( Serialization::SVersion ver, Serialization::SerializeReader* pReader, const Serialization::SerializationArgs* args );
// @ISerialization::Save
virtual void Save( Serialization::SerializeWriter* pWriter ) const;
// copy
virtual void CopyFrom( const ParticleTargetPtr& target );
};
//--------------------------------------------------------------------------------------
inline void RibbonTrailTarget::SetMaxElements(SizeT _size)
{
mMaxElements = _size;
mPerLength = (Math::scalar)(mTrailLength * 1.0f/mMaxElements);
}
//--------------------------------------------------------------------------------------
inline SizeT RibbonTrailTarget::GetMaxElements() const
{
return mMaxElements;
}
//--------------------------------------------------------------------------------------
inline void RibbonTrailTarget::SetColorChange(const Math::float4& _distance)
{
mColorChange = _distance;
}
//--------------------------------------------------------------------------------------
inline const Math::float4& RibbonTrailTarget::GetColorChange() const
{
return mColorChange;
}
//--------------------------------------------------------------------------------------
inline void RibbonTrailTarget::SetTrailLength(Math::scalar _length)
{
mTrailLength = _length;
mPerLength = (Math::scalar)(mTrailLength * 1.0f /mMaxElements);
}
//--------------------------------------------------------------------------------------
inline Math::scalar RibbonTrailTarget::GetTrailLength() const
{
return mTrailLength;
}
//--------------------------------------------------------------------------------------
inline void RibbonTrailTarget::SetColorGraded(bool _grade)
{
m_ColorGraded = _grade;
}
//--------------------------------------------------------------------------------------
inline bool RibbonTrailTarget::IsColorGraded() const
{
return m_ColorGraded;
}
}
#endif // __PARTICLE_RIBBONTRAIL_TARGET_H__